A) to improve vision B) any time chemicals, heat, or sediments are used to protect your eyes C) to avoid eye strain D) only if you don't have glasses
A) ask the teacher before you start B) figure it out as you do the lab C) skip it and go to the next part D) try several methods until something works
A) dumped into the sink B) left at your table for the next class C) taken home D) disposed of according to your teacher's directions
A) apply first aid yourself B) tell the teacher at once C) see a doctor after school D) visit the school nurse after class
A) examine all glassware to check for chips or cracks B) read all directions carefully to know what equipment is needed C) All of these D) clean any glassware that looks dirty
A) closed-toed shoes B) slippers C) open-toed shoes D) sandals
A) okay if you are working alone B) Ok C) always against the rules D) not dangerous
A) your lab partners B) your teacher C) the custodian D) your best friend in class
A) when you are wearing your best clothes B) the protection of you and your clothing C) wiping your hands D) others to put away
A) nhale deeply B) pour it on the table C) use a fan D) waft the odor toward you
A) Ask the teacher about any questions you have B) read all the directions C) Clear off your table of books, food, and drinks D) all of these
A) fire extinguisher B) all of these C) fire blanket D) classroom door B) fire extinguisher
A) wash your hands with soap and water B) wipe your hands with a paper towel C) ipe your hands on your clothes D) treat your hands with skin lotion
A) wipe your hands on a classmate B) Wash your hands and tell the teacher C) wipe your hands on your pants D) try to figure out what the sticky substance is
A) sun glasses B) Safety glasses C) Lab coat D) gloves
A) gotten a hair cut before class today B) worn a hat today C) put her hair up in a rubber band D) skipped the lab
A) Water from the sink B) Your coat C) The fire blanket D) the fire extinguisher
A) while you are working B) before you start C) Next week D) After school
A) follow the instructions of your teacher B) throw them in the trash C) wash them down the sink D) burn them in a burner
A) ask the nurse. B) ask the custodian C) your hands should be dry D) your hand must be wet
A) away from you and others B) away from you and toward others C) toward you and others D) toward you and away from others
A) let the teacher pour them B) pour acid into water C) pour water into acid D) pour them at the same time
A) true B) False
A) false B) true
A) false B) true |